CN207353153U - A kind of switching device main loop unit of composite isolated structure - Google Patents
A kind of switching device main loop unit of composite isolated structure Download PDFInfo
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- CN207353153U CN207353153U CN201720755144.7U CN201720755144U CN207353153U CN 207353153 U CN207353153 U CN 207353153U CN 201720755144 U CN201720755144 U CN 201720755144U CN 207353153 U CN207353153 U CN 207353153U
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- contact arm
- fusion tube
- arm component
- tube cylinder
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Abstract
It the utility model is related to a kind of switching device main loop unit of composite isolated structure, including three-phase major loop, major loop includes upper contact arm component, lower contact arm component, the arc-chutes being connected electrically between contact arm component, lower contact arm component respectively, fusion tube cylinder is set between the upper contact arm component, lower contact arm component, the upper contact arm component of fusion tube cylinder upper end connection, the lower contact arm component of fusion tube cylinder lower end connection, the cylinder of fusion tube cylinder penetrate through setting from top to bottom.The utility model realizes excellent heat dissipation performance and insulation performance by the design to whole main loop unit.
Description
Technical field
This practicality is related to a kind of high voltage connector switching device, more particularly to the main loop unit of switching device.
Background technology
At present, high-pressure vacuum contactor generally employs two schemes in the insulating Design of major loop using upper：One kind is
By the way of the compound inslation of insulating barrier structure, vacuum extinction chamber component, conduct piece etc. are all separated using partition plate
Assembly method, to meet insulating requirements alternate and over the ground；A kind of is by the way of the insulation of full sealing, and whole circuit is led
The mode that the electric complete sealing of part is got up, to meet insulating requirements alternate and over the ground.
On the whole, domestic electrical in the market at present, is existed using the high-pressure vacuum contactor of partition plate compound inslation mode
Problems with：1st, in switchgear energization operational process, due to partition plate can not be fully effective partition electrical body, partition plate with every
There are the air gap between plate, cause vacuum extinction chamber component moved end closer as high-pressure side distance to the ground, be easy to breakdown pair
, there is the weak risk of insulation in the frame backboard electric discharge of product；2nd, the product of partition plate compound inslation is affected by environment big, such as dirty
Dirty, condensation etc., and the performance of the serious limit product of the factor such as the service life of material in itself.
There are problems with for the high-pressure vacuum contactor major loop to be insulated using full sealing：It is powered and runs in switchgear
During, due to the limitation of full sealing insulation system, the amount of heat that galvanic circle produces is difficult effectively to distribute, product
Current capacity can not improve.
Use partition plate mode or full sealing insulation mode, be not insulation cannot comply fully with requirement be exactly heat dissipation performance not
It is good.
The content of the invention
In order to overcome above-mentioned deficiency of the prior art, this practicality, which provides one kind, has superior heat radiation performance and insulation effect
The switching device main loop unit using composite isolated structure of fruit.
This practicality solve its technical problem technical solution be：
A kind of switching device main loop unit of composite isolated structure, including three-phase major loop, major loop difference
Including upper contact arm component, lower contact arm component, the arc-chutes being connected electrically between upper contact arm component, lower contact arm component, described is upper
Fusion tube cylinder is set between contact arm component, lower contact arm component, and the upper contact arm component of fusion tube cylinder upper end connection, the connection of fusion tube cylinder lower end is lower to touch
Arm component, the cylinder of fusion tube cylinder penetrate through setting from top to bottom.
Preferably, lower contact arm component sealing is connected with pole, the arc-chutes are arranged on the sealing pole
In column, lower contact arm component is electrically connected the static side of arc-chutes.
Preferably, fusion tube cylinder lower end is fixedly connected on pole, dynamic connection component is provided with fusion tube cylinder, the company of moving
The lower end of connected components wears the pole and connects the moved end of arc-chutes；The fusion tube cylinder upper end is arranged to tubular
The upper contact arm for being socketed in the upper contact arm component is put on, and fusion tube cylinder upper end is provided with conductive rod, and the upper end of dynamic connection component leads to
Cross conductive rod and be electrically connected upper contact arm component.
Preferably, arc-chutes are cast in pole, the upper surface of pole is provided with for connecting fusion tube cylinder
The faying surface of lower end, sets sealing ring on the faying surface.
Preferably, setting groove on faying surface, the sealing ring is arranged in groove, and the bottom portion of groove opens up
There is perforate, the lower end of the dynamic connection component wears the perforate and connects the moved end of arc-chutes.
Preferably, the fusion tube cylinder upper end is provided with limiting slot, button contact base is provided with limiting slot, conductive rod is by touching
Refer to the dynamic connection component of seat connection.
Preferably, the rear end of fusion tube cylinder upper end has been wholely set trip gear housing.
Preferably, the fusion tube cylinder upper end offers heat emission hole.
Preferably, the fusion tube cylinder upper and lower ends are into horn-like.
Preferably, three-phase major loop is independently set.
Main loop unit, includes the major loop of three-phase, major loop mainly include upper contact arm component, conductive rod, button contact base,
Dynamic connection component, arc-chutes, lower contact arm component.Fusion tube cylinder, lower contact arm group are set between upper contact arm component and lower contact arm component
Part sealing connects pole, and arc-chutes are cast in pole, and fusion tube cylinder lower end is sealedly and fixedly connected pole, fusion tube
Dynamic connection component in cylinder wears the perforate of pole upper end and connects the moved end of arc-chutes, under the static side connection of arc-chutes
Contact arm component.Fusion tube cylinder upper end is arranged to tubular screw thread and is socketed in the upper contact arm of contact arm component to put on, and inside sets conductive rod, conductive
The upper contact arm component of one end connection of rod, the other end connect dynamic connection component by button contact base.Fusion tube cylinder is that have height using a kind of
The material machine-shaping of intensity and high insulating property, middle perforation from top to bottom is set, and the upper end opens up heat emission hole.
Whole loop structure carries out sealing by pole, fusion tube cylinder, and compared to partition plate mode, insulating capacity strengthens, and
No less than full pole mode.
Heat dissipation channel：In the galvanization of main loop unit, heat caused by main loop unit is on the one hand by molten
Socket and pole are conducted to the external world in itself, and on the other hand by the cavity inside fusion tube cylinder, the heat of movable end of arc extinguishing chamber can
Effectively to penetrate through outflow from bottom to top by fusion tube cylinder, fusion tube cylinder upper end opens up heat emission hole, from heat emission hole quick heat radiating.Fusion tube
Stack effect caused by the difference in height that cylinder lower end is formed with upper end, heat is transferred out so as to be effectively facilitated main loop unit
The convection effects of amount.Compared to full sealing form, heat dissipation effect greatly improves.
Discharge channel：In traditional switching device main loop unit, the high-voltage electricity of movable end of arc extinguishing chamber passes through the air gap
Electricity directly is climbed to transmission parts, this practicality sets sealing ring on the faying surface of fusion tube cylinder and pole, can effectively separate
The air gap of electricity is climbed, the generation of breakdown channel is prevented, adds insulating capacity.
In addition, in the prior art, the trip gear of overcurrent fusing, is traditionally arranged to be assembly type, after so assembling, can deposit
In unavoidable the air gap, high-voltage electricity can discharge switch framework backboard by the air gap.The application will thread off and fill
Put and be wholely set with fusion tube cylinder, breakdown channel is separated, enhance insulating capacity.
This practical major loop can form a phase major loop of switching device, that is, be arranged to a free-standing phase, then three-phase returns
When road is set, modular product assembled scheme can be formed according to different alternate away from being placed in parallel on product frame.Compare
In in the prior art, three-phase spacing is fixed, and can save product can not adjust phase spacing, be inconvenient to replace major loop component
Present situation.
This practicality realizes that heat penetrates through heat dissipation, excellent radiation performance from bottom to top, and insulate by the setting of fusion tube cylinder
Effect is good.
This practical beneficial effect is：This practicality realizes excellent dissipate by the design to whole main loop unit
Hot property and insulation performance.
Brief description of the drawings
Fig. 1 is this practical structure diagram.
Fig. 2 is the schematic cross-sectional view of Fig. 1.
Fig. 3 is the part configuration schematic diagram of Fig. 1.
Embodiment
This practicality is described in further detail with reference to the accompanying drawings and detailed description.
As shown in Figure 1, 2, 3, a kind of switching device main loop unit of composite isolated structure, including three-phase master return
Road, each phase major loop are independently set, and major loop includes upper contact arm component 2, lower contact arm component 4, is connected electrically in respectively
Arc-chutes between contact arm component, lower contact arm component, set fusion tube cylinder 1 between upper contact arm component, lower contact arm component, on fusion tube cylinder
The upper contact arm component of end connection, the lower contact arm component of fusion tube cylinder lower end connection, the cylinder of fusion tube cylinder penetrate through setting from top to bottom.It is whole molten
It is wide into horn-like cylinder that socket is arranged to middle narrow both ends, and fusion tube cylinder upper end offers heat emission hole.
Upper contact arm component 2 includes upper contact arm set 6, and fusion tube cylinder upper end 10 is arranged to tubular and is socketed in the upper tactile of contact arm component
Arm is put on, and conductive rod 5 is provided with fusion tube cylinder upper end 10, and dynamic connection component 7,5 one end of conductive rod electricity are set in fusion tube cylinder cylinder
Contact arm component 2 in connection, the other end connect dynamic connection component 7 by button contact base 12.
Lower 4 sealing of contact arm component is connected with pole 3, and arc-chutes 16 are cast in pole 3, lower contact arm component electricity
The static side of arc-chutes 16 is connected, the moved end of arc-chutes is electrically connected dynamic connection component 7.Fusion tube cylinder lower end 11 is sealedly and fixedly connected solid
On sealed pole, the upper surface of pole is provided with the faying surface 13 for connecting fusion tube cylinder lower end, and groove is set on faying surface
8, groove 8 is interior to set sealing ring 9.8 bottom of groove offers perforate, and the lower end of dynamic connection component 7, which wears perforate and connects, goes out
The moved end of arc chamber 16.
The rear end of fusion tube cylinder upper end is provided with limiting slot, and button contact base 12 is arranged in limiting slot, and conductive rod passes through button contact base
The dynamic connection component of connection.
The trip gear of fusing disengagement is carried out when sometimes also overcurrent can be installed in some switching devices, in this application
The rear end of fusion tube cylinder upper end has been wholely set trip gear housing.
Main loop unit includes three-phase major loop, and each phase major loop mainly includes upper contact arm component 2, conductive rod 5, fingertip
Seat 12, dynamic connection component 7, arc-chutes 16, lower contact arm component 4.Fusion tube cylinder is set between upper contact arm component and lower contact arm component
1, lower contact arm component sealing connects pole 3, and arc-chutes 16 are cast in pole, and fusion tube cylinder lower end is sealedly and fixedly connected
Pole, the dynamic connection component 7 in fusion tube cylinder wear the perforate of pole upper end and connect the moved end of arc-chutes, arc extinguishing
The lower contact arm component of static side connection of room.Fusion tube cylinder upper end is arranged to tubular screw thread and is socketed on the upper contact arm set 6 of contact arm component,
Conductive rod, the upper contact arm component of one end connection of conductive rod 5 are inside set, the other end connects dynamic connection component 7 by button contact base.Fusion tube cylinder
It is that middle perforation from top to bottom is set, and the upper end using a kind of material machine-shaping with high intensity and high insulating property
Open up heat emission hole.
Whole loop structure carries out sealing by pole 3, and carrying out not sealing by fusion tube cylinder 1 seals, compared to partition plate side
Formula, insulating capacity enhancing, and it is no less than full pole mode.
Heat dissipation channel：In the galvanization of main loop unit, heat caused by main loop unit is on the one hand by molten
On the other hand socket 1 and pole 3 conduction itself pass through the cavity inside fusion tube cylinder, the heat of movable end of arc extinguishing chamber to the external world
Outflow effectively can be penetrated through from bottom to top by fusion tube cylinder, fusion tube cylinder upper end opens up heat emission hole 5, from heat emission hole quick heat radiating.
Stack effect caused by the difference in height that fusion tube cylinder lower end is formed with upper end, so as to be effectively facilitated main loop unit conduction
Go out the convection effects of heat.Compared to full sealing form, heat dissipation effect greatly improves.
Discharge channel：In traditional switching device main loop unit, the high-voltage electricity of movable end of arc extinguishing chamber passes through the air gap
Electricity directly is climbed to transmission parts, this practicality sets sealing ring 9 on the faying surface of fusion tube cylinder and pole, can effectively separate
The air gap of electricity is climbed, the generation of breakdown channel is prevented, adds insulating capacity.
In addition, in the prior art, the trip gear of overcurrent fusing, is traditionally arranged to be assembly type, after so assembling, can deposit
In unavoidable the air gap, high-voltage electricity can discharge switch framework backboard by the air gap.The application will thread off and fill
Put housing 12 and fusion tube cylinder is wholely set, breakdown channel is separated, enhances insulating capacity.
This practical major loop can form a phase major loop of switching device, that is, be arranged to a free-standing phase, then three-phase returns
When road is set, modular product assembled scheme can be formed according to different alternate away from being placed in parallel on product frame.Compare
In in the prior art, three-phase spacing is fixed, and can save product can not adjust phase spacing, be inconvenient to replace major loop component
Present situation.
This practicality realizes that heat penetrates through heat dissipation, excellent radiation performance from bottom to top, and insulate by the setting of fusion tube cylinder
Effect is good.
This practicality realizes excellent heat dissipation performance and insulation performance by the design to whole main loop unit.
Claims (10)
1. a kind of switching device main loop unit of composite isolated structure, including three-phase major loop, major loop wrap respectively
Include contact arm component, lower contact arm component, the arc-chutes being connected electrically between contact arm component, lower contact arm component, it is characterised in that：
Fusion tube cylinder, the upper contact arm component of fusion tube cylinder upper end connection, fusion tube cylinder lower end are set between the upper contact arm component, lower contact arm component
The lower contact arm component of connection, the cylinder of fusion tube cylinder penetrate through setting from top to bottom.
2. a kind of switching device main loop unit of composite isolated structure according to claim 1, its feature exist
In：The lower contact arm component sealing is connected with pole, and the arc-chutes are arranged in the pole, lower to touch
Arm component is electrically connected the static side of arc-chutes.
3. a kind of switching device main loop unit of composite isolated structure according to claim 2, its feature exist
In：The fusion tube cylinder lower end is fixedly connected on pole, and dynamic connection component is provided with fusion tube cylinder, is moved under connection component
End wears the pole and connects the moved end of arc-chutes；The fusion tube cylinder upper end be arranged to tubular be socketed in it is described
The upper contact arm of upper contact arm component put on, fusion tube cylinder upper end is provided with conductive rod, and the upper end for moving connection component passes through conductive rod electricity
Contact arm component in connection.
4. a kind of switching device main loop unit of composite isolated structure according to claim 3, its feature exist
In：The arc-chutes are cast in pole, and the upper surface of pole is provided with for connecting taking for fusion tube cylinder lower end
Junction, sets sealing ring on the faying surface.
5. a kind of switching device main loop unit of composite isolated structure according to claim 4, its feature exist
In：Groove is set on the faying surface, the sealing ring is arranged in groove, and the bottom portion of groove offers perforate,
The lower end of the dynamic connection component wears the perforate and connects the moved end of arc-chutes.
6. a kind of switching device main loop unit of composite isolated structure according to claim 5, its feature exist
In：The fusion tube cylinder upper end is provided with limiting slot, and button contact base is provided with limiting slot, and conductive rod connects dynamic connection by button contact base
Component.
7. a kind of switching device main loop unit of composite isolated structure according to claim 6, its feature exist
In：The rear end of the fusion tube cylinder upper end has been wholely set trip gear housing.
8. according to a kind of switching device main loop unit of composite isolated structure of claim 1-7 any one of them,
It is characterized in that：The fusion tube cylinder upper end offers heat emission hole.
9. a kind of switching device main loop unit of composite isolated structure according to claim 8, its feature exist
In：The fusion tube cylinder upper and lower ends are into horn-like.
10. according to a kind of switching device main loop unit of composite isolated structure of claim 1-7 any one of them,
It is characterized in that：The three-phase major loop is independently set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720755144.7U CN207353153U (en) | 2017-06-27 | 2017-06-27 | A kind of switching device main loop unit of composite isolated structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720755144.7U CN207353153U (en) | 2017-06-27 | 2017-06-27 | A kind of switching device main loop unit of composite isolated structure |
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| Publication Number | Publication Date |
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| CN207353153U true CN207353153U (en) | 2018-05-11 |
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| CN201720755144.7U Active CN207353153U (en) | 2017-06-27 | 2017-06-27 | A kind of switching device main loop unit of composite isolated structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359076A (en) * | 2017-06-27 | 2017-11-17 | 库柏(宁波)电气有限公司 | A kind of switching device main loop unit of composite isolated structure |
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- 2017-06-27 CN CN201720755144.7U patent/CN207353153U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359076A (en) * | 2017-06-27 | 2017-11-17 | 库柏(宁波)电气有限公司 | A kind of switching device main loop unit of composite isolated structure |
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